Developer protocol contracts
Core VinuChain entrypoints developers are most likely to call, index, or verify.
SFC Staking
Validator creation, delegation, rewards, lockups, and slashing.
QuotaContractV2 / PaybackV2
Active mainnet Payback contract since the ELEMONT upgrade on 29 August 2026, when it replaced the original Quota proxy. Stake left on the old proxy no longer earns fee refunds: withdraw it there and re-stake here.